Python/sorts/bubble_sort.py
2018-10-27 13:21:44 +02:00

43 lines
1.2 KiB
Python

from __future__ import print_function
def bubble_sort(collection):
"""Pure implementation of bubble sort algorithm in Python
:param collection: some mutable ordered collection with heterogeneous
comparable items inside
:return: the same collection ordered by ascending
Examples:
>>> bubble_sort([0, 5, 3, 2, 2])
[0, 2, 2, 3, 5]
>>> bubble_sort([])
[]
>>> bubble_sort([-2, -5, -45])
[-45, -5, -2]
>>> bubble_sort([-23,0,6,-4,34])
[-23,-4,0,6,34]
"""
length = len(collection)
for i in range(length-1):
swapped = False
for j in range(length-1-i):
if collection[j] > collection[j+1]:
swapped = True
collection[j], collection[j+1] = collection[j+1], collection[j]
if not swapped: break # Stop iteration if the collection is sorted.
return collection
if __name__ == '__main__':
try:
raw_input # Python 2
except NameError:
raw_input = input # Python 3
user_input = raw_input('Enter numbers separated by a comma:').strip()
unsorted = [int(item) for item in user_input.split(',')]
print(*bubble_sort(unsorted), sep=',')